<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/employee/update">
    <input type="hidden" name="id" th:value="${em.emId}"><br>
    姓名：<span th:text="${em.name}"></span><br>
    职位：<span th:text="${em.position}"></span><br>
    工资：<input type="number" th:value="${em.salary}" name="salary"><br>
    <input type="submit" th:value="修改">
</form>
</body>
</html>